From: Frank Wunderlich <frank-w@public-files.de>

Currently sram is allocated in driver via offset from reg of ethernet
node. Change it to use a dedicated sram node like mt7988.

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
 arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 559990dcd1d1..550f569451fb 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -523,7 +523,7 @@ wed1: wed@15011000 {
 
 		eth: ethernet@15100000 {
 			compatible = "mediatek,mt7986-eth";
-			reg = <0 0x15100000 0 0x80000>;
+			reg = <0 0x15100000 0 0x40000>;
 			interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
@@ -553,6 +553,7 @@ eth: ethernet@15100000 {
 					  <&topckgen CLK_TOP_SGM_325M_SEL>;
 			assigned-clock-parents = <&apmixedsys CLK_APMIXED_NET2PLL>,
 						 <&apmixedsys CLK_APMIXED_SGMPLL>;
+			sram = <&eth_sram>;
 			#address-cells = <1>;
 			#size-cells = <0>;
 			mediatek,ethsys = <&ethsys>;
@@ -562,6 +563,15 @@ eth: ethernet@15100000 {
 			status = "disabled";
 		};
 
+		/*15100000+0x40000*/
+		eth_sram: sram@15140000 {
+			compatible = "mmio-sram";
+			reg = <0 0x15140000 0 0x40000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x15140000 0 0x40000>;
+		};
+
 		wo_ccif0: syscon@151a5000 {
 			compatible = "mediatek,mt7986-wo-ccif", "syscon";
 			reg = <0 0x151a5000 0 0x1000>;
-- 
2.43.0